${\left( \frac{1 + i}{1 - i} \right)^2} + {\left( \frac{1 - i}{1 + i} \right)^2}$ ની કિંમત શોધો.

  • A
    $2i$
  • B
    $-2i$
  • C
    $-2$
  • D
    $2$

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